Johnston, William Drumm,  1899- <br/><br/>
The gold quartz veins of Grass valley, California, 
by W. D. Johnston, Jr. 
 - Washington,  U.S. Govt. Print. Off.,  1940. 
 - vi, 101 p.  incl. illus., tables. 35 pl. (part fold., incl. maps, diagrs.)  29 cm. 
<br/><br/> At head of title: United States Department of the Interior.  Map and 4 colored diagrams in pocket. 
<br/><br/>Contains references. 
<br/><br/><label>LCCN: </label>gs 40000267  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gold mines and mining--California--Grass Valley.
<br/><br/><label>LC Class. No.: </label>TN423.C2  / J6 
<br/><br/><label>Dewey Class. No.: </label>557.3